Work Sheet 17

  1. What are the Differences between protection and security?
  2. What are access rights?
  3. What are capability Lists?
  4. What are Trojan horse and trap doors?
  5. How does virus scan program work in pc?
  6. Do problems 19.3, 19.4, 19.11, 20.2, 20.4 and 20.7